Creation of libsbmlwrapper repository
Added add.R from package
Added barplot.R from package
moved add.R and barplot.R to .git folder
Revert "moved add.R and barplot.R to .git folder"

This reverts commit 5c217ccfc3a83e53228b5bc57d2c7f4b35b92df0.
Merge branch 'master' of https://github.com/jwcasement/libsbmlwrapper